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AbstractTexture: Support multisampled abstract texture

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This commit is contained in:
Stenzek
2018-01-21 15:03:06 +10:00
parent 4316f5f56b
commit 6374a4c4a8
19 changed files with 209 additions and 91 deletions
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139
Source/Core/VideoBackends/OGL/OGLTexture.cpp
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@ -80,38 +80,50 @@ bool UsePersistentStagingBuffers()
OGLTexture::OGLTexture(const TextureConfig& tex_config) : AbstractTexture(tex_config)
{
_dbg_assert_msg_(VIDEO, !tex_config.IsMultisampled() || tex_config.levels == 1,
"OpenGL does not support multisampled textures with mip levels");
GLenum target =
tex_config.IsMultisampled() ? GL_TEXTURE_2D_MULTISAMPLE_ARRAY : GL_TEXTURE_2D_ARRAY;
glGenTextures(1, &m_texId);
glActiveTexture(GL_TEXTURE9);
glBindTexture(GL_TEXTURE_2D_ARRAY, m_texId);
glBindTexture(target, m_texId);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAX_LEVEL, m_config.levels - 1);
glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, m_config.levels - 1);
if (g_ogl_config.bSupportsTextureStorage)
GLenum gl_internal_format = GetGLInternalFormatForTextureFormat(m_config.format, true);
if (tex_config.IsMultisampled())
{
GLenum gl_internal_format = GetGLInternalFormatForTextureFormat(m_config.format, true);
glTexStorage3D(GL_TEXTURE_2D_ARRAY, m_config.levels, gl_internal_format, m_config.width,
m_config.height, m_config.layers);
if (g_ogl_config.bSupportsTextureStorage)
glTexStorage3DMultisample(target, tex_config.samples, gl_internal_format, m_config.width,
m_config.height, m_config.layers, GL_FALSE);
else
glTexImage3DMultisample(target, tex_config.samples, gl_internal_format, m_config.width,
m_config.height, m_config.layers, GL_FALSE);
}
else if (g_ogl_config.bSupportsTextureStorage)
{
glTexStorage3D(target, m_config.levels, gl_internal_format, m_config.width, m_config.height,
m_config.layers);
}
if (m_config.rendertarget)
{
// We can't render to compressed formats.
_assert_(!IsCompressedFormat(m_config.format));
if (!g_ogl_config.bSupportsTextureStorage)
if (!g_ogl_config.bSupportsTextureStorage && !tex_config.IsMultisampled())
{
for (u32 level = 0; level < m_config.levels; level++)
{
glTexImage3D(GL_TEXTURE_2D_ARRAY, level, GL_RGBA, std::max(m_config.width >> level, 1u),
glTexImage3D(target, level, GL_RGBA, std::max(m_config.width >> level, 1u),
std::max(m_config.height >> level, 1u), m_config.layers, 0, GL_RGBA,
GL_UNSIGNED_BYTE, nullptr);
}
}
glGenFramebuffers(1, &m_framebuffer);
FramebufferManager::SetFramebuffer(m_framebuffer);
FramebufferManager::FramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D_ARRAY, m_texId, 0);
FramebufferManager::FramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, target, m_texId,
0);
// We broke the framebuffer binding here, and need to restore it, as the CreateTexture
// method is in the base renderer class and can be called by VideoCommon.
@ -156,47 +168,60 @@ void OGLTexture::CopyRectangleFromTexture(const AbstractTexture* src,
}
else
{
// If it isn't a single leveled/layered texture, we need to update the framebuffer.
bool update_src_framebuffer =
srcentry->m_framebuffer == 0 || srcentry->m_config.layers != 0 || src_level != 0;
bool update_dst_framebuffer = m_framebuffer == 0 || m_config.layers != 0 || dst_level != 0;
if (!m_framebuffer)
glGenFramebuffers(1, &m_framebuffer);
if (!srcentry->m_framebuffer)
glGenFramebuffers(1, &const_cast<OGLTexture*>(srcentry)->m_framebuffer);
glBindFramebuffer(GL_READ_FRAMEBUFFER, srcentry->m_framebuffer);
if (update_src_framebuffer)
{
glFramebufferTextureLayer(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, srcentry->m_texId,
src_level, src_layer);
}
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_framebuffer);
if (update_dst_framebuffer)
{
glFramebufferTextureLayer(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, m_texId, dst_level,
dst_layer);
}
glBlitFramebuffer(src_rect.left, src_rect.top, src_rect.right, src_rect.bottom, dst_rect.left,
dst_rect.top, dst_rect.right, dst_rect.bottom, GL_COLOR_BUFFER_BIT,
GL_NEAREST);
if (update_src_framebuffer)
{
FramebufferManager::FramebufferTexture(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D_ARRAY, srcentry->m_texId, 0);
}
if (update_dst_framebuffer)
{
FramebufferManager::FramebufferTexture(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D_ARRAY, m_texId, 0);
}
FramebufferManager::SetFramebuffer(0);
BlitFramebuffer(const_cast<OGLTexture*>(srcentry), src_rect, src_layer, src_level, dst_rect,
dst_layer, dst_level);
}
}
void OGLTexture::BlitFramebuffer(OGLTexture* srcentry, const MathUtil::Rectangle<int>& src_rect,
u32 src_layer, u32 src_level,
const MathUtil::Rectangle<int>& dst_rect, u32 dst_layer,
u32 dst_level)
{
// If it isn't a single leveled/layered texture, we need to update the framebuffer.
bool update_src_framebuffer =
srcentry->m_framebuffer == 0 || srcentry->m_config.layers != 0 || src_level != 0;
bool update_dst_framebuffer = m_framebuffer == 0 || m_config.layers != 0 || dst_level != 0;
if (!m_framebuffer)
glGenFramebuffers(1, &m_framebuffer);
if (!srcentry->m_framebuffer)
glGenFramebuffers(1, &const_cast<OGLTexture*>(srcentry)->m_framebuffer);
glBindFramebuffer(GL_READ_FRAMEBUFFER, srcentry->m_framebuffer);
if (update_src_framebuffer)
{
glFramebufferTextureLayer(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, srcentry->m_texId,
src_level, src_layer);
}
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_framebuffer);
if (update_dst_framebuffer)
{
glFramebufferTextureLayer(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, m_texId, dst_level,
dst_layer);
}
glBlitFramebuffer(src_rect.left, src_rect.top, src_rect.right, src_rect.bottom, dst_rect.left,
dst_rect.top, dst_rect.right, dst_rect.bottom, GL_COLOR_BUFFER_BIT, GL_NEAREST);
if (update_src_framebuffer)
{
FramebufferManager::FramebufferTexture(
GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
srcentry->m_config.IsMultisampled() ? GL_TEXTURE_2D_MULTISAMPLE_ARRAY : GL_TEXTURE_2D_ARRAY,
srcentry->m_texId, 0);
}
if (update_dst_framebuffer)
{
FramebufferManager::FramebufferTexture(
GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
m_config.IsMultisampled() ? GL_TEXTURE_2D_MULTISAMPLE_ARRAY : GL_TEXTURE_2D_ARRAY, m_texId,
0);
}
FramebufferManager::SetFramebuffer(0);
}
void OGLTexture::ScaleRectangleFromTexture(const AbstractTexture* source,
const MathUtil::Rectangle<int>& srcrect,
const MathUtil::Rectangle<int>& dstrect)
@ -222,6 +247,18 @@ void OGLTexture::ScaleRectangleFromTexture(const AbstractTexture* source,
g_renderer->RestoreAPIState();
}
void OGLTexture::ResolveFromTexture(const AbstractTexture* src,
const MathUtil::Rectangle<int>& rect, u32 layer, u32 level)
{
const OGLTexture* srcentry = static_cast<const OGLTexture*>(src);
_dbg_assert_(VIDEO, m_config.samples > 1 && m_config.width == srcentry->m_config.width &&
m_config.height == srcentry->m_config.height && m_config.samples == 1);
_dbg_assert_(VIDEO,
rect.left + rect.GetWidth() <= static_cast<int>(srcentry->m_config.width) &&
rect.top + rect.GetHeight() <= static_cast<int>(srcentry->m_config.height));
BlitFramebuffer(const_cast<OGLTexture*>(srcentry), rect, layer, level, rect, layer, level);
}
void OGLTexture::Load(u32 level, u32 width, u32 height, u32 row_length, const u8* buffer,
size_t buffer_size)
{